Compilare: user.cpp: In function ‘int main()’: user.cpp:55:22: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[1000005]’ [-Wformat=] scanf ( "%s", &s ); ^ user.cpp:52:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "next.in", "r", stdin ); ^ user.cpp:53:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "next.out", "w", stdout ); ^ user.cpp:55:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%s", &s ); ^ user.cpp:56:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%lld", &d ); ^ user.cpp: In member function ‘long long int HugeN::operator%(long long int)’: user.cpp:49:12: warning: ‘r’ may be used uninitialized in this function [-Wmaybe-uninitialized] return r; ^ user.cpp: In function ‘int main()’: user.cpp:62:11: warning: ‘r’ may be used uninitialized in this function [-Wmaybe-uninitialized] n += ( d - r ); ^